1 /*
2 * Copyright © 2017 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 *
23 */
24
25 #ifndef I915_PERF_H
26 #define I915_PERF_H
27
28 #include <stdint.h>
29
30 #include <linux/perf_event.h>
31
32 #include "igt_gt.h"
33
34 static inline int
perf_event_open(struct perf_event_attr * attr,pid_t pid,int cpu,int group_fd,unsigned long flags)35 perf_event_open(struct perf_event_attr *attr,
36 pid_t pid,
37 int cpu,
38 int group_fd,
39 unsigned long flags)
40 {
41 #ifndef __NR_perf_event_open
42 #if defined(__i386__)
43 #define __NR_perf_event_open 336
44 #elif defined(__x86_64__)
45 #define __NR_perf_event_open 298
46 #else
47 #define __NR_perf_event_open 0
48 #endif
49 #endif
50 attr->size = sizeof(*attr);
51 return syscall(__NR_perf_event_open, attr, pid, cpu, group_fd, flags);
52 }
53
54 uint64_t i915_type_id(void);
55 int perf_i915_open(uint64_t config);
56 int perf_i915_open_group(uint64_t config, int group);
57 int igt_perf_open(uint64_t type, uint64_t config);
58 int igt_perf_open_group(uint64_t type, uint64_t config, int group);
59
60 #endif /* I915_PERF_H */
61